| http://www.w3.org/ns/prov#value | - Dr. Lester Breslow, dean emeritus of the UCLA School of Public Health, has identified three eras in world public-health history: first, from ancient times to the early 20th century, emphasizing communicable diseases such as small pox or malaria; second, the beginning of the 20th century, emphasizing chronic or non-communicable diseases such as obesity or Type II diabetes; and third, more recently,
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